When 35-Year-Olds Write Legal Memos: By Orin Kerr on January 13, 2009 10:45 pm Over at Slate, Yale Law professor Bruce Ackerman comments on the poor quality of John Yoo’s memos for OLC: While John Yoo did most of the staff work for [OLC Head Jay] Bybee, Yoo was barely 35 years old